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1 4540067e 2021-07-18 op /*
2 4540067e 2021-07-18 op * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
3 4540067e 2021-07-18 op *
4 4540067e 2021-07-18 op * Permission to use, copy, modify, and distribute this software for any
5 4540067e 2021-07-18 op * purpose with or without fee is hereby granted, provided that the above
6 4540067e 2021-07-18 op * copyright notice and this permission notice appear in all copies.
7 4540067e 2021-07-18 op *
8 4540067e 2021-07-18 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 4540067e 2021-07-18 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 4540067e 2021-07-18 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 4540067e 2021-07-18 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 4540067e 2021-07-18 op * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 4540067e 2021-07-18 op * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 4540067e 2021-07-18 op * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 4540067e 2021-07-18 op */
16 1f496e7b 2021-07-21 op
17 1f496e7b 2021-07-21 op #include "compat.h"
18 4540067e 2021-07-18 op
19 5e11c00c 2021-03-02 op #include <sys/socket.h>
20 be97d6e6 2021-08-15 op #include <sys/wait.h>
21 5e11c00c 2021-03-02 op
22 be97d6e6 2021-08-15 op #include <errno.h>
23 dc761924 2021-07-15 op #include <getopt.h>
24 5e11c00c 2021-03-02 op #include <signal.h>
25 5e11c00c 2021-03-02 op #include <stdio.h>
26 5e11c00c 2021-03-02 op #include <stdlib.h>
27 5e11c00c 2021-03-02 op #include <string.h>
28 5e11c00c 2021-03-02 op #include <unistd.h>
29 5e11c00c 2021-03-02 op
30 e659558c 2021-07-13 op #include "defaults.h"
31 4bc446b9 2021-07-21 op #include "minibuffer.h"
32 395b9f4e 2021-07-12 op #include "parser.h"
33 1fce2e75 2021-08-14 op #include "session.h"
34 395b9f4e 2021-07-12 op #include "telescope.h"
35 d1a0f2a3 2021-07-12 op #include "ui.h"
36 dc761924 2021-07-15 op
37 dc761924 2021-07-15 op static struct option longopts[] = {
38 1853ee50 2021-07-15 op {"colors", no_argument, NULL, 'c'},
39 dc761924 2021-07-15 op {"help", no_argument, NULL, 'h'},
40 dc761924 2021-07-15 op {"version", no_argument, NULL, 'v'},
41 dc761924 2021-07-15 op {NULL, 0, NULL, 0},
42 dc761924 2021-07-15 op };
43 dc761924 2021-07-15 op
44 1853ee50 2021-07-15 op static const char *opts = "Cc:hnT:v";
45 a37d1a1c 2021-08-14 op
46 a37d1a1c 2021-08-14 op /*
47 a37d1a1c 2021-08-14 op * Used to know when we're finished loading.
48 a37d1a1c 2021-08-14 op */
49 1fce2e75 2021-08-14 op int operating;
50 395b9f4e 2021-07-12 op
51 bc10f6a5 2021-07-12 op static struct imsgev *iev_fs, *iev_net;
52 ecfbb1d4 2021-08-14 op
53 f6a429eb 2021-07-10 op struct tabshead tabshead = TAILQ_HEAD_INITIALIZER(tabshead);
54 f6a429eb 2021-07-10 op struct proxylist proxies = TAILQ_HEAD_INITIALIZER(proxies);
55 6cc5fcfe 2021-07-08 op
56 6cc5fcfe 2021-07-08 op enum telescope_process {
57 6cc5fcfe 2021-07-08 op PROC_UI,
58 6cc5fcfe 2021-07-08 op PROC_FS,
59 6cc5fcfe 2021-07-08 op PROC_NET,
60 6cc5fcfe 2021-07-08 op };
61 5e11c00c 2021-03-02 op
62 9a8a7402 2021-07-18 op #define CANNOT_FETCH 0
63 9a8a7402 2021-07-18 op #define TOO_MUCH_REDIRECTS 1
64 9a8a7402 2021-07-18 op #define MALFORMED_RESPONSE 2
65 9a8a7402 2021-07-18 op #define UNKNOWN_TYPE_OR_CSET 3
66 9a8a7402 2021-07-18 op #define UNKNOWN_PROTOCOL 4
67 9a8a7402 2021-07-18 op
68 a21e0756 2021-08-14 op /* XXX: keep in sync with normalize_code */
69 9a8a7402 2021-07-18 op const char *err_pages[70] = {
70 9a8a7402 2021-07-18 op [CANNOT_FETCH] = "# Couldn't load the page\n",
71 9a8a7402 2021-07-18 op [TOO_MUCH_REDIRECTS] = "# Too much redirects\n",
72 9a8a7402 2021-07-18 op [MALFORMED_RESPONSE] = "# Got a malformed response\n",
73 9a8a7402 2021-07-18 op [UNKNOWN_TYPE_OR_CSET] = "# Unsupported type or charset\n",
74 9a8a7402 2021-07-18 op [UNKNOWN_PROTOCOL] = "# Unknown protocol\n",
75 9a8a7402 2021-07-18 op
76 9a8a7402 2021-07-18 op [10] = "# Input required\n",
77 9a8a7402 2021-07-18 op [11] = "# Input required\n",
78 9a8a7402 2021-07-18 op [40] = "# Temporary failure\n",
79 9a8a7402 2021-07-18 op [41] = "# Server unavailable\n",
80 9a8a7402 2021-07-18 op [42] = "# CGI error\n",
81 9a8a7402 2021-07-18 op [43] = "# Proxy error\n",
82 9a8a7402 2021-07-18 op [44] = "# Slow down\n",
83 9a8a7402 2021-07-18 op [50] = "# Permanent failure\n",
84 9a8a7402 2021-07-18 op [51] = "# Not found\n",
85 9a8a7402 2021-07-18 op [52] = "# Gone\n",
86 9a8a7402 2021-07-18 op [53] = "# Proxy request refused\n",
87 9a8a7402 2021-07-18 op [59] = "# Bad request\n",
88 9a8a7402 2021-07-18 op [60] = "# Client certificate required\n",
89 9a8a7402 2021-07-18 op [61] = "# Certificate not authorised\n",
90 9a8a7402 2021-07-18 op [62] = "# Certificate not valid\n"
91 9a8a7402 2021-07-18 op };
92 9a8a7402 2021-07-18 op
93 2051e653 2021-03-13 op static void die(void) __attribute__((__noreturn__));
94 2051e653 2021-03-13 op static struct tab *tab_by_id(uint32_t);
95 69f32f56 2021-08-16 op static void handle_imsg_err(struct imsg *, size_t);
96 69f32f56 2021-08-16 op static void handle_imsg_check_cert(struct imsg *, size_t);
97 a2fd3805 2021-07-06 op static void handle_check_cert_user_choice(int, struct tab *);
98 a2fd3805 2021-07-06 op static void handle_maybe_save_new_cert(int, struct tab *);
99 69f32f56 2021-08-16 op static void handle_imsg_got_code(struct imsg *, size_t);
100 69f32f56 2021-08-16 op static void handle_imsg_got_meta(struct imsg *, size_t);
101 a2fd3805 2021-07-06 op static void handle_maybe_save_page(int, struct tab *);
102 d1353324 2021-07-13 op static void handle_save_page_path(const char *, struct tab *);
103 69f32f56 2021-08-16 op static void handle_imsg_file_opened(struct imsg *, size_t);
104 69f32f56 2021-08-16 op static void handle_imsg_buf(struct imsg *, size_t);
105 69f32f56 2021-08-16 op static void handle_imsg_eof(struct imsg *, size_t);
106 69f32f56 2021-08-16 op static void handle_imsg_bookmark_ok(struct imsg *, size_t);
107 69f32f56 2021-08-16 op static void handle_imsg_save_cert_ok(struct imsg *, size_t);
108 288fd238 2021-04-25 op static void handle_imsg_update_cert_ok(struct imsg *, size_t);
109 69f32f56 2021-08-16 op static void handle_dispatch_imsg(int, short, void *);
110 69f32f56 2021-08-16 op static int load_about_url(struct tab *, const char *);
111 0b1053d2 2021-08-13 op static int load_file_url(struct tab *, const char *);
112 1c690d0a 2021-08-03 op static int load_finger_url(struct tab *, const char *);
113 69f32f56 2021-08-16 op static int load_gemini_url(struct tab *, const char *);
114 1c690d0a 2021-08-03 op static int load_gopher_url(struct tab *, const char *);
115 1c690d0a 2021-08-03 op static int load_via_proxy(struct tab *, const char *,
116 dfb5eb39 2021-07-25 op struct proxy *);
117 1c690d0a 2021-08-03 op static int make_request(struct tab *, struct get_req *, int,
118 cf1195ce 2021-07-25 op const char *);
119 c7586aab 2021-08-13 op static int make_fs_request(struct tab *, int, const char *);
120 69f32f56 2021-08-16 op static int do_load_url(struct tab *, const char *, const char *);
121 6cc5fcfe 2021-07-08 op static pid_t start_child(enum telescope_process, const char *, int);
122 dfb5eb39 2021-07-25 op
123 352e0355 2021-07-25 op static struct proto {
124 352e0355 2021-07-25 op const char *schema;
125 ba782cb8 2021-07-25 op const char *port;
126 69f32f56 2021-08-16 op int (*loadfn)(struct tab *, const char *);
127 352e0355 2021-07-25 op } protos[] = {
128 ba782cb8 2021-07-25 op {"about", NULL, load_about_url},
129 0b1053d2 2021-08-13 op {"file", NULL, load_file_url},
130 ba782cb8 2021-07-25 op {"finger", "79", load_finger_url},
131 ba782cb8 2021-07-25 op {"gemini", "1965", load_gemini_url},
132 1663bf1e 2021-07-25 op {"gopher", "70", load_gopher_url},
133 ba782cb8 2021-07-25 op {NULL, NULL, NULL},
134 dfb5eb39 2021-07-25 op };
135 5e11c00c 2021-03-02 op
136 5e11c00c 2021-03-02 op static imsg_handlerfn *handlers[] = {
137 5e11c00c 2021-03-02 op [IMSG_ERR] = handle_imsg_err,
138 5e11c00c 2021-03-02 op [IMSG_CHECK_CERT] = handle_imsg_check_cert,
139 5e11c00c 2021-03-02 op [IMSG_GOT_CODE] = handle_imsg_got_code,
140 5e11c00c 2021-03-02 op [IMSG_GOT_META] = handle_imsg_got_meta,
141 5e11c00c 2021-03-02 op [IMSG_BUF] = handle_imsg_buf,
142 5e11c00c 2021-03-02 op [IMSG_EOF] = handle_imsg_eof,
143 740f578b 2021-03-15 op [IMSG_BOOKMARK_OK] = handle_imsg_bookmark_ok,
144 3a227e9a 2021-03-18 op [IMSG_SAVE_CERT_OK] = handle_imsg_save_cert_ok,
145 288fd238 2021-04-25 op [IMSG_UPDATE_CERT_OK] = handle_imsg_update_cert_ok,
146 de2a69bb 2021-05-17 op [IMSG_FILE_OPENED] = handle_imsg_file_opened,
147 5e11c00c 2021-03-02 op };
148 5e11c00c 2021-03-02 op
149 cbcc75fb 2021-03-17 op static struct ohash certs;
150 cbcc75fb 2021-03-17 op
151 5e11c00c 2021-03-02 op static void __attribute__((__noreturn__))
152 5e11c00c 2021-03-02 op die(void)
153 5e11c00c 2021-03-02 op {
154 5e11c00c 2021-03-02 op abort(); /* TODO */
155 5e11c00c 2021-03-02 op }
156 5e11c00c 2021-03-02 op
157 5e11c00c 2021-03-02 op static struct tab *
158 f6243012 2021-07-19 op tab_by_id(uint32_t id)
159 5e11c00c 2021-03-02 op {
160 5e11c00c 2021-03-02 op struct tab *t;
161 5e11c00c 2021-03-02 op
162 5e11c00c 2021-03-02 op TAILQ_FOREACH(t, &tabshead, tabs) {
163 5e11c00c 2021-03-02 op if (t->id == id)
164 5e11c00c 2021-03-02 op return t;
165 5e11c00c 2021-03-02 op }
166 5e11c00c 2021-03-02 op
167 5d6c2088 2021-07-19 op return NULL;
168 5e11c00c 2021-03-02 op }
169 5e11c00c 2021-03-02 op
170 5e11c00c 2021-03-02 op static void
171 5e11c00c 2021-03-02 op handle_imsg_err(struct imsg *imsg, size_t datalen)
172 5e11c00c 2021-03-02 op {
173 3a9b9365 2021-03-09 op struct tab *tab;
174 3a9b9365 2021-03-09 op char *page;
175 3a9b9365 2021-03-09 op
176 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
177 f6243012 2021-07-19 op return;
178 3a9b9365 2021-03-09 op
179 3a9b9365 2021-03-09 op page = imsg->data;
180 3a9b9365 2021-03-09 op page[datalen-1] = '\0';
181 3a9b9365 2021-03-09 op
182 3a9b9365 2021-03-09 op if (asprintf(&page, "# Error loading %s\n\n> %s\n",
183 2051e653 2021-03-13 op tab->hist_cur->h, page) == -1)
184 3a9b9365 2021-03-09 op die();
185 3a9b9365 2021-03-09 op load_page_from_str(tab, page);
186 3a9b9365 2021-03-09 op free(page);
187 5e11c00c 2021-03-02 op }
188 5e11c00c 2021-03-02 op
189 5e11c00c 2021-03-02 op static void
190 5e11c00c 2021-03-02 op handle_imsg_check_cert(struct imsg *imsg, size_t datalen)
191 5e11c00c 2021-03-02 op {
192 984245ce 2021-06-23 op const char *hash, *host, *port;
193 cbcc75fb 2021-03-17 op int tofu_res;
194 cbcc75fb 2021-03-17 op struct tofu_entry *e;
195 cbcc75fb 2021-03-17 op struct tab *tab;
196 5e11c00c 2021-03-02 op
197 cbcc75fb 2021-03-17 op hash = imsg->data;
198 cbcc75fb 2021-03-17 op if (hash[datalen-1] != '\0')
199 cbcc75fb 2021-03-17 op abort();
200 cbcc75fb 2021-03-17 op
201 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
202 f6243012 2021-07-19 op return;
203 cbcc75fb 2021-03-17 op
204 984245ce 2021-06-23 op if (tab->proxy != NULL) {
205 984245ce 2021-06-23 op host = tab->proxy->host;
206 984245ce 2021-06-23 op port = tab->proxy->port;
207 984245ce 2021-06-23 op } else {
208 984245ce 2021-06-23 op host = tab->uri.host;
209 984245ce 2021-06-23 op port = tab->uri.port;
210 984245ce 2021-06-23 op }
211 984245ce 2021-06-23 op
212 984245ce 2021-06-23 op if ((e = tofu_lookup(&certs, host, port)) == NULL) {
213 cbcc75fb 2021-03-17 op /* TODO: an update in libressl/libretls changed
214 cbcc75fb 2021-03-17 op * significantly. Find a better approach at storing
215 cbcc75fb 2021-03-17 op * the certs! */
216 cbcc75fb 2021-03-17 op if (datalen > sizeof(e->hash))
217 cbcc75fb 2021-03-17 op abort();
218 cbcc75fb 2021-03-17 op
219 cbcc75fb 2021-03-17 op tofu_res = 1; /* trust on first use */
220 cbcc75fb 2021-03-17 op if ((e = calloc(1, sizeof(*e))) == NULL)
221 cbcc75fb 2021-03-17 op abort();
222 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
223 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
224 eb4388ee 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
225 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
226 eb4388ee 2021-04-25 op }
227 cbcc75fb 2021-03-17 op strlcpy(e->hash, hash, sizeof(e->hash));
228 3768e50f 2021-04-25 op tofu_add(&certs, e);
229 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_SAVE_CERT, tab->id, e, sizeof(*e));
230 cbcc75fb 2021-03-17 op } else
231 cbcc75fb 2021-03-17 op tofu_res = !strcmp(hash, e->hash);
232 cbcc75fb 2021-03-17 op
233 5d1bac73 2021-03-25 op if (tofu_res) {
234 a2fd3805 2021-07-06 op if (e->verified == -1)
235 a2fd3805 2021-07-06 op tab->trust = TS_TEMP_TRUSTED;
236 a2fd3805 2021-07-06 op else if (e->verified == 1)
237 a2fd3805 2021-07-06 op tab->trust = TS_VERIFIED;
238 a2fd3805 2021-07-06 op else
239 a2fd3805 2021-07-06 op tab->trust = TS_TRUSTED;
240 a2fd3805 2021-07-06 op
241 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, imsg->hdr.peerid,
242 5d1bac73 2021-03-25 op &tofu_res, sizeof(tofu_res));
243 5d1bac73 2021-03-25 op } else {
244 cbcc75fb 2021-03-17 op tab->trust = TS_UNTRUSTED;
245 cbcc75fb 2021-03-17 op load_page_from_str(tab, "# Certificate mismatch\n");
246 288fd238 2021-04-25 op if ((tab->cert = strdup(hash)) == NULL)
247 288fd238 2021-04-25 op die();
248 5d1bac73 2021-03-25 op ui_yornp("Certificate mismatch. Proceed?",
249 a2fd3805 2021-07-06 op handle_check_cert_user_choice, tab);
250 cbcc75fb 2021-03-17 op }
251 5d1bac73 2021-03-25 op }
252 5d1bac73 2021-03-25 op
253 5d1bac73 2021-03-25 op static void
254 a2fd3805 2021-07-06 op handle_check_cert_user_choice(int accept, struct tab *tab)
255 5d1bac73 2021-03-25 op {
256 bc10f6a5 2021-07-12 op ui_send_net(IMSG_CERT_STATUS, tab->id, &accept,
257 bc10f6a5 2021-07-12 op sizeof(accept));
258 288fd238 2021-04-25 op
259 a2fd3805 2021-07-06 op if (accept) {
260 a2fd3805 2021-07-06 op /*
261 a2fd3805 2021-07-06 op * trust the certificate for this session only. If
262 a2fd3805 2021-07-06 op * the page results in a redirect while we're asking
263 a2fd3805 2021-07-06 op * the user to save, we'll end up with an invalid
264 7b4e4feb 2021-08-15 op * tabid (one request == one tab id). It also makes
265 7b4e4feb 2021-08-15 op * sense to save it for the current session if the
266 7b4e4feb 2021-08-15 op * user accepted it.
267 a2fd3805 2021-07-06 op */
268 69f32f56 2021-08-16 op tofu_temp_trust(&certs, tab->uri.host, tab->uri.port,
269 69f32f56 2021-08-16 op tab->cert);
270 a2fd3805 2021-07-06 op
271 288fd238 2021-04-25 op ui_yornp("Save the new certificate?",
272 a2fd3805 2021-07-06 op handle_maybe_save_new_cert, tab);
273 a2fd3805 2021-07-06 op } else {
274 288fd238 2021-04-25 op free(tab->cert);
275 288fd238 2021-04-25 op tab->cert = NULL;
276 288fd238 2021-04-25 op }
277 5e11c00c 2021-03-02 op }
278 5e11c00c 2021-03-02 op
279 288fd238 2021-04-25 op static void
280 a2fd3805 2021-07-06 op handle_maybe_save_new_cert(int accept, struct tab *tab)
281 288fd238 2021-04-25 op {
282 288fd238 2021-04-25 op struct tofu_entry *e;
283 984245ce 2021-06-23 op const char *host, *port;
284 288fd238 2021-04-25 op
285 984245ce 2021-06-23 op if (tab->proxy != NULL) {
286 984245ce 2021-06-23 op host = tab->proxy->host;
287 984245ce 2021-06-23 op port = tab->proxy->port;
288 984245ce 2021-06-23 op } else {
289 984245ce 2021-06-23 op host = tab->uri.host;
290 984245ce 2021-06-23 op port = tab->uri.port;
291 984245ce 2021-06-23 op }
292 984245ce 2021-06-23 op
293 288fd238 2021-04-25 op if (!accept)
294 288fd238 2021-04-25 op goto end;
295 288fd238 2021-04-25 op
296 fe2262ad 2021-05-12 op if ((e = calloc(1, sizeof(*e))) == NULL)
297 288fd238 2021-04-25 op die();
298 288fd238 2021-04-25 op
299 984245ce 2021-06-23 op strlcpy(e->domain, host, sizeof(e->domain));
300 984245ce 2021-06-23 op if (*port != '\0' && strcmp(port, "1965")) {
301 288fd238 2021-04-25 op strlcat(e->domain, ":", sizeof(e->domain));
302 984245ce 2021-06-23 op strlcat(e->domain, port, sizeof(e->domain));
303 288fd238 2021-04-25 op }
304 288fd238 2021-04-25 op strlcpy(e->hash, tab->cert, sizeof(e->hash));
305 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_UPDATE_CERT, 0, e, sizeof(*e));
306 288fd238 2021-04-25 op
307 288fd238 2021-04-25 op tofu_update(&certs, e);
308 288fd238 2021-04-25 op
309 288fd238 2021-04-25 op tab->trust = TS_TRUSTED;
310 288fd238 2021-04-25 op
311 288fd238 2021-04-25 op end:
312 288fd238 2021-04-25 op free(tab->cert);
313 288fd238 2021-04-25 op tab->cert = NULL;
314 288fd238 2021-04-25 op }
315 288fd238 2021-04-25 op
316 5cd2ebb1 2021-03-11 op static inline int
317 5cd2ebb1 2021-03-11 op normalize_code(int n)
318 5cd2ebb1 2021-03-11 op {
319 5cd2ebb1 2021-03-11 op if (n < 20) {
320 5cd2ebb1 2021-03-11 op if (n == 10 || n == 11)
321 5cd2ebb1 2021-03-11 op return n;
322 5cd2ebb1 2021-03-11 op return 10;
323 5cd2ebb1 2021-03-11 op } else if (n < 30) {
324 5cd2ebb1 2021-03-11 op return 20;
325 5cd2ebb1 2021-03-11 op } else if (n < 40) {
326 5cd2ebb1 2021-03-11 op if (n == 30 || n == 31)
327 5cd2ebb1 2021-03-11 op return n;
328 5cd2ebb1 2021-03-11 op return 30;
329 5cd2ebb1 2021-03-11 op } else if (n < 50) {
330 5cd2ebb1 2021-03-11 op if (n <= 44)
331 5cd2ebb1 2021-03-11 op return n;
332 5cd2ebb1 2021-03-11 op return 40;
333 5cd2ebb1 2021-03-11 op } else if (n < 60) {
334 5cd2ebb1 2021-03-11 op if (n <= 53 || n == 59)
335 5cd2ebb1 2021-03-11 op return n;
336 5cd2ebb1 2021-03-11 op return 50;
337 5cd2ebb1 2021-03-11 op } else if (n < 70) {
338 5cd2ebb1 2021-03-11 op if (n <= 62)
339 5cd2ebb1 2021-03-11 op return n;
340 5cd2ebb1 2021-03-11 op return 60;
341 5cd2ebb1 2021-03-11 op } else
342 5cd2ebb1 2021-03-11 op return MALFORMED_RESPONSE;
343 5cd2ebb1 2021-03-11 op }
344 5cd2ebb1 2021-03-11 op
345 5e11c00c 2021-03-02 op static void
346 5e11c00c 2021-03-02 op handle_imsg_got_code(struct imsg *imsg, size_t datalen)
347 5e11c00c 2021-03-02 op {
348 0972d8b2 2021-03-02 op struct tab *tab;
349 5e11c00c 2021-03-02 op
350 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
351 f6243012 2021-07-19 op return;
352 0972d8b2 2021-03-02 op
353 0972d8b2 2021-03-02 op if (sizeof(tab->code) != datalen)
354 5e11c00c 2021-03-02 op die();
355 5e11c00c 2021-03-02 op
356 5cd2ebb1 2021-03-11 op memcpy(&tab->code, imsg->data, sizeof(tab->code));
357 5cd2ebb1 2021-03-11 op tab->code = normalize_code(tab->code);
358 5cd2ebb1 2021-03-11 op if (tab->code != 30 && tab->code != 31)
359 0972d8b2 2021-03-02 op tab->redirect_count = 0;
360 5e11c00c 2021-03-02 op }
361 5e11c00c 2021-03-02 op
362 5e11c00c 2021-03-02 op static void
363 5e11c00c 2021-03-02 op handle_imsg_got_meta(struct imsg *imsg, size_t datalen)
364 5e11c00c 2021-03-02 op {
365 0972d8b2 2021-03-02 op struct tab *tab;
366 0972d8b2 2021-03-02 op
367 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
368 f6243012 2021-07-19 op return;
369 0972d8b2 2021-03-02 op
370 0972d8b2 2021-03-02 op if (sizeof(tab->meta) <= datalen)
371 0972d8b2 2021-03-02 op die();
372 5cd2ebb1 2021-03-11 op
373 0972d8b2 2021-03-02 op memcpy(tab->meta, imsg->data, datalen);
374 0972d8b2 2021-03-02 op
375 5cd2ebb1 2021-03-11 op if (tab->code < 10) { /* internal errors */
376 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
377 5cd2ebb1 2021-03-11 op } else if (tab->code < 20) { /* 1x */
378 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
379 9a28e7e5 2021-08-03 op ui_require_input(tab, tab->code == 11, PROTO_GEMINI);
380 5cd2ebb1 2021-03-11 op } else if (tab->code == 20) {
381 c07ac996 2021-03-12 op if (setup_parser_for(tab)) {
382 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
383 c07ac996 2021-03-12 op } else {
384 69f32f56 2021-08-16 op load_page_from_str(tab,
385 69f32f56 2021-08-16 op err_pages[UNKNOWN_TYPE_OR_CSET]);
386 69f32f56 2021-08-16 op ui_yornp("Can't display page, save it?",
387 a2fd3805 2021-07-06 op handle_maybe_save_page, tab);
388 c07ac996 2021-03-12 op }
389 5cd2ebb1 2021-03-11 op } else if (tab->code < 40) { /* 3x */
390 3a9b9365 2021-03-09 op tab->redirect_count++;
391 0972d8b2 2021-03-02 op
392 3a9b9365 2021-03-09 op /* TODO: make customizable? */
393 3a9b9365 2021-03-09 op if (tab->redirect_count > 5) {
394 3a9b9365 2021-03-09 op load_page_from_str(tab,
395 3a9b9365 2021-03-09 op err_pages[TOO_MUCH_REDIRECTS]);
396 5cd2ebb1 2021-03-11 op } else
397 bd3a3a95 2021-07-20 op do_load_url(tab, tab->meta, NULL);
398 5cd2ebb1 2021-03-11 op } else { /* 4x, 5x & 6x */
399 5cd2ebb1 2021-03-11 op load_page_from_str(tab, err_pages[tab->code]);
400 3a9b9365 2021-03-09 op }
401 de2a69bb 2021-05-17 op }
402 de2a69bb 2021-05-17 op
403 de2a69bb 2021-05-17 op static void
404 a2fd3805 2021-07-06 op handle_maybe_save_page(int dosave, struct tab *tab)
405 de2a69bb 2021-05-17 op {
406 de2a69bb 2021-05-17 op if (dosave)
407 d1353324 2021-07-13 op ui_read("Save to path", handle_save_page_path, tab);
408 de2a69bb 2021-05-17 op else
409 a2fd3805 2021-07-06 op stop_tab(tab);
410 de2a69bb 2021-05-17 op }
411 de2a69bb 2021-05-17 op
412 de2a69bb 2021-05-17 op static void
413 d1353324 2021-07-13 op handle_save_page_path(const char *path, struct tab *tab)
414 d1353324 2021-07-13 op {
415 de2a69bb 2021-05-17 op if (path == NULL) {
416 d1353324 2021-07-13 op stop_tab(tab);
417 de2a69bb 2021-05-17 op return;
418 de2a69bb 2021-05-17 op }
419 de2a69bb 2021-05-17 op
420 de2a69bb 2021-05-17 op tab->path = strdup(path);
421 de2a69bb 2021-05-17 op
422 d1353324 2021-07-13 op ui_send_fs(IMSG_FILE_OPEN, tab->id, path, strlen(path)+1);
423 5e11c00c 2021-03-02 op }
424 5e11c00c 2021-03-02 op
425 5e11c00c 2021-03-02 op static void
426 de2a69bb 2021-05-17 op handle_imsg_file_opened(struct imsg *imsg, size_t datalen)
427 de2a69bb 2021-05-17 op {
428 de2a69bb 2021-05-17 op struct tab *tab;
429 de2a69bb 2021-05-17 op char *page;
430 de2a69bb 2021-05-17 op const char *e;
431 de2a69bb 2021-05-17 op int l;
432 de2a69bb 2021-05-17 op
433 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL) {
434 f6243012 2021-07-19 op if (imsg->fd != -1)
435 f6243012 2021-07-19 op close(imsg->fd);
436 f6243012 2021-07-19 op return;
437 f6243012 2021-07-19 op }
438 de2a69bb 2021-05-17 op
439 de2a69bb 2021-05-17 op if (imsg->fd == -1) {
440 de2a69bb 2021-05-17 op stop_tab(tab);
441 de2a69bb 2021-05-17 op
442 de2a69bb 2021-05-17 op e = imsg->data;
443 de2a69bb 2021-05-17 op if (e[datalen-1] != '\0')
444 de2a69bb 2021-05-17 op die();
445 de2a69bb 2021-05-17 op l = asprintf(&page, "# Can't open file\n\n> %s: %s\n",
446 de2a69bb 2021-05-17 op tab->path, e);
447 de2a69bb 2021-05-17 op if (l == -1)
448 de2a69bb 2021-05-17 op die();
449 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
450 de2a69bb 2021-05-17 op free(page);
451 de2a69bb 2021-05-17 op } else {
452 de2a69bb 2021-05-17 op tab->fd = imsg->fd;
453 bc10f6a5 2021-07-12 op ui_send_net(IMSG_PROCEED, tab->id, NULL, 0);
454 de2a69bb 2021-05-17 op }
455 de2a69bb 2021-05-17 op }
456 de2a69bb 2021-05-17 op
457 de2a69bb 2021-05-17 op static void
458 5e11c00c 2021-03-02 op handle_imsg_buf(struct imsg *imsg, size_t datalen)
459 5e11c00c 2021-03-02 op {
460 0972d8b2 2021-03-02 op struct tab *tab;
461 de2a69bb 2021-05-17 op int l;
462 0e1eff5b 2021-06-23 op char *page, buf[FMT_SCALED_STRSIZE] = {0};
463 5e11c00c 2021-03-02 op
464 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
465 5d6c2088 2021-07-19 op return;
466 5e11c00c 2021-03-02 op
467 de2a69bb 2021-05-17 op tab->bytes += datalen;
468 de2a69bb 2021-05-17 op if (tab->fd == -1) {
469 8c1b0837 2021-07-25 op if (!parser_parse(tab, imsg->data, datalen))
470 de2a69bb 2021-05-17 op die();
471 de2a69bb 2021-05-17 op } else {
472 de2a69bb 2021-05-17 op write(tab->fd, imsg->data, datalen);
473 0e1eff5b 2021-06-23 op fmt_scaled(tab->bytes, buf);
474 0e1eff5b 2021-06-23 op l = asprintf(&page, "Saving to \"%s\"... (%s)\n",
475 de2a69bb 2021-05-17 op tab->path,
476 0e1eff5b 2021-06-23 op buf);
477 de2a69bb 2021-05-17 op if (l == -1)
478 de2a69bb 2021-05-17 op die();
479 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
480 de2a69bb 2021-05-17 op free(page);
481 de2a69bb 2021-05-17 op }
482 5e11c00c 2021-03-02 op
483 0972d8b2 2021-03-02 op ui_on_tab_refresh(tab);
484 5e11c00c 2021-03-02 op }
485 5e11c00c 2021-03-02 op
486 5e11c00c 2021-03-02 op static void
487 5e11c00c 2021-03-02 op handle_imsg_eof(struct imsg *imsg, size_t datalen)
488 5e11c00c 2021-03-02 op {
489 2ba66cea 2021-03-22 op struct tab *tab;
490 de2a69bb 2021-05-17 op int l;
491 0e1eff5b 2021-06-23 op char *page, buf[FMT_SCALED_STRSIZE] = {0};
492 a5c3e03d 2021-03-02 op
493 f6243012 2021-07-19 op if ((tab = tab_by_id(imsg->hdr.peerid)) == NULL)
494 f6243012 2021-07-19 op return;
495 de2a69bb 2021-05-17 op
496 de2a69bb 2021-05-17 op if (tab->fd == -1) {
497 8c1b0837 2021-07-25 op if (!parser_free(tab))
498 de2a69bb 2021-05-17 op die();
499 de2a69bb 2021-05-17 op } else {
500 0e1eff5b 2021-06-23 op fmt_scaled(tab->bytes, buf);
501 0e1eff5b 2021-06-23 op l = asprintf(&page, "Saved to \"%s\" (%s)\n",
502 de2a69bb 2021-05-17 op tab->path,
503 0e1eff5b 2021-06-23 op buf);
504 de2a69bb 2021-05-17 op if (l == -1)
505 de2a69bb 2021-05-17 op die();
506 de2a69bb 2021-05-17 op load_page_from_str(tab, page);
507 de2a69bb 2021-05-17 op free(page);
508 a5c3e03d 2021-03-02 op
509 de2a69bb 2021-05-17 op close(tab->fd);
510 de2a69bb 2021-05-17 op tab->fd = -1;
511 f7d4a257 2021-09-13 op tab->bytes = 0;
512 de2a69bb 2021-05-17 op free(tab->path);
513 de2a69bb 2021-05-17 op tab->path = NULL;
514 de2a69bb 2021-05-17 op }
515 de2a69bb 2021-05-17 op
516 2ba66cea 2021-03-22 op ui_on_tab_refresh(tab);
517 2ba66cea 2021-03-22 op ui_on_tab_loaded(tab);
518 5e11c00c 2021-03-02 op }
519 5e11c00c 2021-03-02 op
520 5e11c00c 2021-03-02 op static void
521 740f578b 2021-03-15 op handle_imsg_bookmark_ok(struct imsg *imsg, size_t datalen)
522 740f578b 2021-03-15 op {
523 740f578b 2021-03-15 op int res;
524 740f578b 2021-03-15 op
525 740f578b 2021-03-15 op if (datalen != sizeof(res))
526 740f578b 2021-03-15 op die();
527 740f578b 2021-03-15 op
528 740f578b 2021-03-15 op memcpy(&res, imsg->data, sizeof(res));
529 740f578b 2021-03-15 op if (res == 0)
530 7f963c41 2021-06-20 op message("Added to bookmarks!");
531 740f578b 2021-03-15 op else
532 7f963c41 2021-06-20 op message("Failed to add to bookmarks: %s",
533 740f578b 2021-03-15 op strerror(res));
534 740f578b 2021-03-15 op }
535 740f578b 2021-03-15 op
536 740f578b 2021-03-15 op static void
537 3a227e9a 2021-03-18 op handle_imsg_save_cert_ok(struct imsg *imsg, size_t datalen)
538 3a227e9a 2021-03-18 op {
539 3a227e9a 2021-03-18 op int res;
540 3a227e9a 2021-03-18 op
541 3a227e9a 2021-03-18 op if (datalen != sizeof(res))
542 3a227e9a 2021-03-18 op die();
543 3a227e9a 2021-03-18 op memcpy(&res, imsg->data, datalen);
544 3a227e9a 2021-03-18 op if (res != 0)
545 7f963c41 2021-06-20 op message("Failed to save the cert for: %s",
546 3a227e9a 2021-03-18 op strerror(res));
547 288fd238 2021-04-25 op }
548 288fd238 2021-04-25 op
549 288fd238 2021-04-25 op static void
550 288fd238 2021-04-25 op handle_imsg_update_cert_ok(struct imsg *imsg, size_t datalen)
551 288fd238 2021-04-25 op {
552 288fd238 2021-04-25 op int res;
553 288fd238 2021-04-25 op
554 288fd238 2021-04-25 op if (datalen != sizeof(res))
555 288fd238 2021-04-25 op die();
556 288fd238 2021-04-25 op memcpy(&res, imsg->data, datalen);
557 288fd238 2021-04-25 op if (!res)
558 7f963c41 2021-06-20 op message("Failed to update the certificate");
559 3a227e9a 2021-03-18 op }
560 3a227e9a 2021-03-18 op
561 3a227e9a 2021-03-18 op static void
562 1304bbdd 2021-03-15 op handle_dispatch_imsg(int fd, short ev, void *d)
563 5e11c00c 2021-03-02 op {
564 bc10f6a5 2021-07-12 op struct imsgev *iev = d;
565 ea080950 2021-07-20 op
566 ea080950 2021-07-20 op if (dispatch_imsg(iev, ev, handlers, sizeof(handlers)) == -1)
567 ea080950 2021-07-20 op err(1, "connection closed");
568 0972d8b2 2021-03-02 op }
569 0972d8b2 2021-03-02 op
570 1c690d0a 2021-08-03 op static int
571 4d3785b1 2021-03-09 op load_about_url(struct tab *tab, const char *url)
572 0972d8b2 2021-03-02 op {
573 7b2aac84 2021-08-13 op tab->trust = TS_UNKNOWN;
574 8c1b0837 2021-07-25 op parser_init(tab, gemtext_initparser);
575 c7586aab 2021-08-13 op return make_fs_request(tab, IMSG_GET, url);
576 4d3785b1 2021-03-09 op }
577 0972d8b2 2021-03-02 op
578 1c690d0a 2021-08-03 op static int
579 0b1053d2 2021-08-13 op load_file_url(struct tab *tab, const char *url)
580 0b1053d2 2021-08-13 op {
581 0b1053d2 2021-08-13 op tab->trust = TS_UNKNOWN;
582 0b1053d2 2021-08-13 op return make_fs_request(tab, IMSG_GET_FILE, tab->uri.path);
583 0b1053d2 2021-08-13 op }
584 0b1053d2 2021-08-13 op
585 0b1053d2 2021-08-13 op static int
586 5fb52fc0 2021-07-25 op load_finger_url(struct tab *tab, const char *url)
587 5fb52fc0 2021-07-25 op {
588 5fb52fc0 2021-07-25 op struct get_req req;
589 5fb52fc0 2021-07-25 op size_t len;
590 5fb52fc0 2021-07-25 op char *at;
591 5fb52fc0 2021-07-25 op
592 5fb52fc0 2021-07-25 op memset(&req, 0, sizeof(req));
593 ba782cb8 2021-07-25 op strlcpy(req.port, tab->uri.port, sizeof(req.port));
594 5fb52fc0 2021-07-25 op
595 5fb52fc0 2021-07-25 op /*
596 5fb52fc0 2021-07-25 op * Sometimes the finger url have the user as path component
597 5fb52fc0 2021-07-25 op * (e.g. finger://thelambdalab.xyz/plugd), sometimes as
598 5fb52fc0 2021-07-25 op * userinfo (e.g. finger://cobradile@finger.farm).
599 5fb52fc0 2021-07-25 op */
600 5fb52fc0 2021-07-25 op if ((at = strchr(tab->uri.host, '@')) != NULL) {
601 5fb52fc0 2021-07-25 op len = at - tab->uri.host;
602 5fb52fc0 2021-07-25 op memcpy(req.req, tab->uri.host, len);
603 5fb52fc0 2021-07-25 op
604 5fb52fc0 2021-07-25 op if (len >= sizeof(req.req))
605 5fb52fc0 2021-07-25 op die();
606 5fb52fc0 2021-07-25 op req.req[len] = '\0';
607 5fb52fc0 2021-07-25 op
608 5fb52fc0 2021-07-25 op strlcpy(req.host, at+1, sizeof(req.host));
609 5fb52fc0 2021-07-25 op } else {
610 5fb52fc0 2021-07-25 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
611 5fb52fc0 2021-07-25 op
612 5fb52fc0 2021-07-25 op /* +1 to skip the initial `/' */
613 5fb52fc0 2021-07-25 op strlcpy(req.req, tab->uri.path+1, sizeof(req.req));
614 5fb52fc0 2021-07-25 op }
615 5fb52fc0 2021-07-25 op strlcat(req.req, "\r\n", sizeof(req.req));
616 5fb52fc0 2021-07-25 op
617 8c1b0837 2021-07-25 op parser_init(tab, textplain_initparser);
618 1c690d0a 2021-08-03 op return make_request(tab, &req, PROTO_FINGER, NULL);
619 5fb52fc0 2021-07-25 op }
620 5fb52fc0 2021-07-25 op
621 1c690d0a 2021-08-03 op static int
622 4d3785b1 2021-03-09 op load_gemini_url(struct tab *tab, const char *url)
623 4d3785b1 2021-03-09 op {
624 984245ce 2021-06-23 op struct get_req req;
625 2eef3403 2021-04-22 op
626 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
627 984245ce 2021-06-23 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
628 984245ce 2021-06-23 op strlcpy(req.port, tab->uri.port, sizeof(req.host));
629 984245ce 2021-06-23 op
630 1c690d0a 2021-08-03 op return make_request(tab, &req, PROTO_GEMINI, tab->hist_cur->h);
631 ca190c99 2021-08-14 op }
632 ca190c99 2021-08-14 op
633 ca190c99 2021-08-14 op static inline const char *
634 ca190c99 2021-08-14 op gopher_skip_selector(const char *path, int *ret_type)
635 ca190c99 2021-08-14 op {
636 ca190c99 2021-08-14 op *ret_type = 0;
637 ca190c99 2021-08-14 op
638 ca190c99 2021-08-14 op if (!strcmp(path, "/") || *path == '\0') {
639 ca190c99 2021-08-14 op *ret_type = '1';
640 ca190c99 2021-08-14 op return path;
641 ca190c99 2021-08-14 op }
642 ca190c99 2021-08-14 op
643 ca190c99 2021-08-14 op if (*path != '/')
644 ca190c99 2021-08-14 op return path;
645 ca190c99 2021-08-14 op path++;
646 ca190c99 2021-08-14 op
647 ca190c99 2021-08-14 op switch (*ret_type = *path) {
648 ca190c99 2021-08-14 op case '0':
649 ca190c99 2021-08-14 op case '1':
650 ca190c99 2021-08-14 op case '7':
651 ca190c99 2021-08-14 op break;
652 ca190c99 2021-08-14 op
653 ca190c99 2021-08-14 op default:
654 ca190c99 2021-08-14 op *ret_type = 0;
655 ca190c99 2021-08-14 op path -= 1;
656 ca190c99 2021-08-14 op return path;
657 ca190c99 2021-08-14 op }
658 ca190c99 2021-08-14 op
659 95bb01e2 2021-08-28 op return ++path;
660 1663bf1e 2021-07-25 op }
661 1663bf1e 2021-07-25 op
662 1c690d0a 2021-08-03 op static int
663 1663bf1e 2021-07-25 op load_gopher_url(struct tab *tab, const char *url)
664 1663bf1e 2021-07-25 op {
665 81839fee 2021-07-25 op struct get_req req;
666 ca190c99 2021-08-14 op int type;
667 81839fee 2021-07-25 op const char *path;
668 1663bf1e 2021-07-25 op
669 1663bf1e 2021-07-25 op memset(&req, 0, sizeof(req));
670 1663bf1e 2021-07-25 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
671 1663bf1e 2021-07-25 op strlcpy(req.port, tab->uri.port, sizeof(req.host));
672 1663bf1e 2021-07-25 op
673 ca190c99 2021-08-14 op path = gopher_skip_selector(tab->uri.path, &type);
674 ca190c99 2021-08-14 op switch (type) {
675 ca190c99 2021-08-14 op case '0':
676 8c1b0837 2021-07-25 op parser_init(tab, textplain_initparser);
677 ca190c99 2021-08-14 op break;
678 ca190c99 2021-08-14 op case '1':
679 ca190c99 2021-08-14 op parser_init(tab, gophermap_initparser);
680 ca190c99 2021-08-14 op break;
681 ca190c99 2021-08-14 op case '7':
682 9a28e7e5 2021-08-03 op ui_require_input(tab, 0, PROTO_GOPHER);
683 9a28e7e5 2021-08-03 op return load_page_from_str(tab, err_pages[10]);
684 ca190c99 2021-08-14 op default:
685 ca190c99 2021-08-14 op return load_page_from_str(tab, "Unknown gopher selector");
686 81839fee 2021-07-25 op }
687 81839fee 2021-07-25 op
688 9a28e7e5 2021-08-03 op strlcpy(req.req, path, sizeof(req.req));
689 9a28e7e5 2021-08-03 op if (*tab->uri.query != '\0') {
690 9a28e7e5 2021-08-03 op strlcat(req.req, "?", sizeof(req.req));
691 9a28e7e5 2021-08-03 op strlcat(req.req, tab->uri.query, sizeof(req.req));
692 9a28e7e5 2021-08-03 op }
693 767da05c 2021-08-13 op strlcat(req.req, "\r\n", sizeof(req.req));
694 9a28e7e5 2021-08-03 op
695 767da05c 2021-08-13 op return make_request(tab, &req, PROTO_GOPHER, NULL);
696 0972d8b2 2021-03-02 op }
697 0972d8b2 2021-03-02 op
698 1c690d0a 2021-08-03 op static int
699 984245ce 2021-06-23 op load_via_proxy(struct tab *tab, const char *url, struct proxy *p)
700 984245ce 2021-06-23 op {
701 984245ce 2021-06-23 op struct get_req req;
702 984245ce 2021-06-23 op
703 984245ce 2021-06-23 op memset(&req, 0, sizeof(req));
704 984245ce 2021-06-23 op strlcpy(req.host, p->host, sizeof(req.host));
705 984245ce 2021-06-23 op strlcpy(req.port, p->port, sizeof(req.host));
706 984245ce 2021-06-23 op
707 cf1195ce 2021-07-25 op tab->proxy = p;
708 984245ce 2021-06-23 op
709 1c690d0a 2021-08-03 op return make_request(tab, &req, p->proto, tab->hist_cur->h);
710 cf1195ce 2021-07-25 op }
711 984245ce 2021-06-23 op
712 1c690d0a 2021-08-03 op static int
713 cf1195ce 2021-07-25 op make_request(struct tab *tab, struct get_req *req, int proto, const char *r)
714 cf1195ce 2021-07-25 op {
715 cf1195ce 2021-07-25 op stop_tab(tab);
716 cf1195ce 2021-07-25 op tab->id = tab_new_id();
717 cf1195ce 2021-07-25 op req->proto = proto;
718 cf1195ce 2021-07-25 op
719 cf1195ce 2021-07-25 op if (r != NULL) {
720 cf1195ce 2021-07-25 op strlcpy(req->req, r, sizeof(req->req));
721 cf1195ce 2021-07-25 op strlcat(req->req, "\r\n", sizeof(req->req));
722 cf1195ce 2021-07-25 op }
723 cf1195ce 2021-07-25 op
724 cf1195ce 2021-07-25 op ui_send_net(IMSG_GET_RAW, tab->id, req, sizeof(*req));
725 1c690d0a 2021-08-03 op
726 1c690d0a 2021-08-03 op /*
727 1c690d0a 2021-08-03 op * So the various load_*_url can `return make_request` and
728 1c690d0a 2021-08-03 op * do_load_url is happy.
729 1c690d0a 2021-08-03 op */
730 1c690d0a 2021-08-03 op return 1;
731 984245ce 2021-06-23 op }
732 984245ce 2021-06-23 op
733 c7586aab 2021-08-13 op static int
734 c7586aab 2021-08-13 op make_fs_request(struct tab *tab, int type, const char *r)
735 c7586aab 2021-08-13 op {
736 c7586aab 2021-08-13 op stop_tab(tab);
737 c7586aab 2021-08-13 op tab->id = tab_new_id();
738 c7586aab 2021-08-13 op
739 c7586aab 2021-08-13 op ui_send_fs(type, tab->id, r, strlen(r)+1);
740 c7586aab 2021-08-13 op
741 c7586aab 2021-08-13 op /*
742 c7586aab 2021-08-13 op * So load_{about,file}_url can `return make_fs_request` and
743 c7586aab 2021-08-13 op * do_load_url is happy.
744 c7586aab 2021-08-13 op */
745 c7586aab 2021-08-13 op return 1;
746 c7586aab 2021-08-13 op }
747 c7586aab 2021-08-13 op
748 9a28e7e5 2021-08-03 op void
749 9a28e7e5 2021-08-03 op gopher_send_search_req(struct tab *tab, const char *text)
750 9a28e7e5 2021-08-03 op {
751 9a28e7e5 2021-08-03 op struct get_req req;
752 1b0e6efc 2021-08-08 op
753 1b0e6efc 2021-08-08 op start_loading_anim(tab);
754 9a28e7e5 2021-08-03 op
755 9a28e7e5 2021-08-03 op memset(&req, 0, sizeof(req));
756 9a28e7e5 2021-08-03 op strlcpy(req.host, tab->uri.host, sizeof(req.host));
757 9a28e7e5 2021-08-03 op strlcpy(req.port, tab->uri.port, sizeof(req.host));
758 9a28e7e5 2021-08-03 op
759 9a28e7e5 2021-08-03 op /* +2 to skip /7 */
760 9a28e7e5 2021-08-03 op strlcpy(req.req, tab->uri.path+2, sizeof(req.req));
761 9a28e7e5 2021-08-03 op if (*tab->uri.query != '\0') {
762 9a28e7e5 2021-08-03 op strlcat(req.req, "?", sizeof(req.req));
763 9a28e7e5 2021-08-03 op strlcat(req.req, tab->uri.query, sizeof(req.req));
764 9a28e7e5 2021-08-03 op }
765 9a28e7e5 2021-08-03 op
766 9a28e7e5 2021-08-03 op strlcat(req.req, "\t", sizeof(req.req));
767 9a28e7e5 2021-08-03 op strlcat(req.req, text, sizeof(req.req));
768 9a28e7e5 2021-08-03 op strlcat(req.req, "\r\n", sizeof(req.req));
769 9a28e7e5 2021-08-03 op
770 9a28e7e5 2021-08-03 op erase_buffer(&tab->buffer);
771 9a28e7e5 2021-08-03 op parser_init(tab, gophermap_initparser);
772 9a28e7e5 2021-08-03 op
773 9a28e7e5 2021-08-03 op make_request(tab, &req, PROTO_GOPHER, NULL);
774 9a28e7e5 2021-08-03 op }
775 9a28e7e5 2021-08-03 op
776 adea4eec 2021-07-16 op /*
777 adea4eec 2021-07-16 op * Effectively load the given url in the given tab. Return 1 when
778 adea4eec 2021-07-16 op * loading the page asynchronously, and thus when an erase_buffer can
779 adea4eec 2021-07-16 op * be done right after this function return, or 0 when loading the
780 adea4eec 2021-07-16 op * page synchronously. In this last case, erase_buffer *MUST* be
781 adea4eec 2021-07-16 op * called by the handling function (such as load_page_from_str).
782 adea4eec 2021-07-16 op */
783 adea4eec 2021-07-16 op static int
784 bd3a3a95 2021-07-20 op do_load_url(struct tab *tab, const char *url, const char *base)
785 4d3785b1 2021-03-09 op {
786 31f1a758 2021-04-22 op struct phos_uri uri;
787 31f1a758 2021-04-22 op struct proto *p;
788 984245ce 2021-06-23 op struct proxy *proxy;
789 31f1a758 2021-04-22 op char *t;
790 7943bb81 2021-07-10 op
791 7943bb81 2021-07-10 op tab->proxy = NULL;
792 de2a69bb 2021-05-17 op
793 de2a69bb 2021-05-17 op if (tab->fd != -1) {
794 de2a69bb 2021-05-17 op close(tab->fd);
795 de2a69bb 2021-05-17 op tab->fd = -1;
796 de2a69bb 2021-05-17 op free(tab->path);
797 de2a69bb 2021-05-17 op tab->path = NULL;
798 de2a69bb 2021-05-17 op }
799 4d3785b1 2021-03-09 op
800 10346511 2021-03-17 op tab->trust = TS_UNKNOWN;
801 10346511 2021-03-17 op
802 bd3a3a95 2021-07-20 op if (base == NULL)
803 bd3a3a95 2021-07-20 op memcpy(&uri, &tab->uri, sizeof(tab->uri));
804 bd3a3a95 2021-07-20 op else
805 bd3a3a95 2021-07-20 op phos_parse_absolute_uri(base, &uri);
806 bd3a3a95 2021-07-20 op
807 31f1a758 2021-04-22 op if (!phos_resolve_uri_from_str(&uri, url, &tab->uri)) {
808 902fc2c2 2021-07-25 op if (asprintf(&t, "#error loading %s\n>%s\n",
809 31f1a758 2021-04-22 op url, "Can't parse the URI") == -1)
810 31f1a758 2021-04-22 op die();
811 31f1a758 2021-04-22 op strlcpy(tab->hist_cur->h, url, sizeof(tab->hist_cur->h));
812 31f1a758 2021-04-22 op load_page_from_str(tab, t);
813 31f1a758 2021-04-22 op free(t);
814 adea4eec 2021-07-16 op return 0;
815 31f1a758 2021-04-22 op }
816 31f1a758 2021-04-22 op
817 31f1a758 2021-04-22 op phos_serialize_uri(&tab->uri, tab->hist_cur->h,
818 31f1a758 2021-04-22 op sizeof(tab->hist_cur->h));
819 31f1a758 2021-04-22 op
820 4d3785b1 2021-03-09 op for (p = protos; p->schema != NULL; ++p) {
821 ed383cf4 2021-04-22 op if (!strcmp(tab->uri.scheme, p->schema)) {
822 ba782cb8 2021-07-25 op /* patch the port */
823 ba782cb8 2021-07-25 op if (*tab->uri.port == '\0' && p->port != NULL)
824 ba782cb8 2021-07-25 op strlcpy(tab->uri.port, p->port,
825 ba782cb8 2021-07-25 op sizeof(tab->uri.port));
826 ba782cb8 2021-07-25 op
827 1c690d0a 2021-08-03 op return p->loadfn(tab, url);
828 4d3785b1 2021-03-09 op }
829 4d3785b1 2021-03-09 op }
830 4d3785b1 2021-03-09 op
831 984245ce 2021-06-23 op TAILQ_FOREACH(proxy, &proxies, proxies) {
832 1c690d0a 2021-08-03 op if (!strcmp(tab->uri.scheme, proxy->match_proto))
833 1c690d0a 2021-08-03 op return load_via_proxy(tab, url, proxy);
834 984245ce 2021-06-23 op }
835 984245ce 2021-06-23 op
836 b38cd1f7 2021-08-03 op return load_page_from_str(tab, err_pages[UNKNOWN_PROTOCOL]);
837 4d3785b1 2021-03-09 op }
838 4d3785b1 2021-03-09 op
839 2ddbda6b 2021-07-17 op /*
840 2ddbda6b 2021-07-17 op * Load url in tab. If tab is marked as lazy, only prepare the url
841 2ddbda6b 2021-07-17 op * but don't load it. If tab is lazy and a url was already prepared,
842 2ddbda6b 2021-07-17 op * do load it!
843 2ddbda6b 2021-07-17 op */
844 9ad4627d 2021-03-10 op void
845 bc55cdb9 2021-08-12 op load_url(struct tab *tab, const char *url, const char *base, int nohist)
846 2051e653 2021-03-13 op {
847 2ddbda6b 2021-07-17 op int lazy;
848 2051e653 2021-03-13 op
849 2ddbda6b 2021-07-17 op lazy = tab->flags & TAB_LAZY;
850 2ddbda6b 2021-07-17 op
851 2ddbda6b 2021-07-17 op if (lazy && tab->hist_cur != NULL) {
852 2ddbda6b 2021-07-17 op lazy = 0;
853 2ddbda6b 2021-07-17 op tab->flags &= ~TAB_LAZY;
854 2051e653 2021-03-13 op }
855 984245ce 2021-06-23 op
856 bc55cdb9 2021-08-12 op /* can't have both nohist and lazy at the same time. */
857 bc55cdb9 2021-08-12 op if (nohist && lazy)
858 bc55cdb9 2021-08-12 op nohist = 0;
859 bc55cdb9 2021-08-12 op
860 bc55cdb9 2021-08-12 op if (!nohist && (!lazy || tab->hist_cur == NULL)) {
861 2ddbda6b 2021-07-17 op if (tab->hist_cur != NULL)
862 2ddbda6b 2021-07-17 op hist_clear_forward(&tab->hist,
863 2ddbda6b 2021-07-17 op TAILQ_NEXT(tab->hist_cur, entries));
864 2ddbda6b 2021-07-17 op
865 69f32f56 2021-08-16 op if ((tab->hist_cur = calloc(1, sizeof(*tab->hist_cur)))
866 69f32f56 2021-08-16 op == NULL) {
867 2ddbda6b 2021-07-17 op event_loopbreak();
868 2ddbda6b 2021-07-17 op return;
869 2ddbda6b 2021-07-17 op }
870 2ddbda6b 2021-07-17 op
871 2ddbda6b 2021-07-17 op strlcpy(tab->buffer.page.title, url,
872 2ddbda6b 2021-07-17 op sizeof(tab->buffer.page.title));
873 2ddbda6b 2021-07-17 op hist_push(&tab->hist, tab->hist_cur);
874 2ddbda6b 2021-07-17 op
875 2ddbda6b 2021-07-17 op if (lazy)
876 2ddbda6b 2021-07-17 op strlcpy(tab->hist_cur->h, url,
877 2ddbda6b 2021-07-17 op sizeof(tab->hist_cur->h));
878 2ddbda6b 2021-07-17 op }
879 2ddbda6b 2021-07-17 op
880 bd3a3a95 2021-07-20 op if (!lazy && do_load_url(tab, url, base))
881 adea4eec 2021-07-16 op erase_buffer(&tab->buffer);
882 2051e653 2021-03-13 op }
883 2051e653 2021-03-13 op
884 a37d1a1c 2021-08-14 op void
885 a37d1a1c 2021-08-14 op load_url_in_tab(struct tab *tab, const char *url, const char *base, int nohist)
886 a37d1a1c 2021-08-14 op {
887 a37d1a1c 2021-08-14 op if (!operating) {
888 a37d1a1c 2021-08-14 op load_url(tab, url, base, nohist);
889 a37d1a1c 2021-08-14 op return;
890 a37d1a1c 2021-08-14 op }
891 a37d1a1c 2021-08-14 op
892 a37d1a1c 2021-08-14 op autosave_hook();
893 a37d1a1c 2021-08-14 op
894 a37d1a1c 2021-08-14 op message("Loading %s...", url);
895 a37d1a1c 2021-08-14 op start_loading_anim(tab);
896 a37d1a1c 2021-08-14 op load_url(tab, url, base, nohist);
897 a37d1a1c 2021-08-14 op }
898 a37d1a1c 2021-08-14 op
899 2051e653 2021-03-13 op int
900 2051e653 2021-03-13 op load_previous_page(struct tab *tab)
901 2051e653 2021-03-13 op {
902 2051e653 2021-03-13 op struct hist *h;
903 2051e653 2021-03-13 op
904 2051e653 2021-03-13 op if ((h = TAILQ_PREV(tab->hist_cur, mhisthead, entries)) == NULL)
905 2051e653 2021-03-13 op return 0;
906 2051e653 2021-03-13 op tab->hist_cur = h;
907 bd3a3a95 2021-07-20 op do_load_url(tab, h->h, NULL);
908 2051e653 2021-03-13 op return 1;
909 2051e653 2021-03-13 op }
910 2051e653 2021-03-13 op
911 2051e653 2021-03-13 op int
912 2051e653 2021-03-13 op load_next_page(struct tab *tab)
913 2051e653 2021-03-13 op {
914 2051e653 2021-03-13 op struct hist *h;
915 2051e653 2021-03-13 op
916 2051e653 2021-03-13 op if ((h = TAILQ_NEXT(tab->hist_cur, entries)) == NULL)
917 2051e653 2021-03-13 op return 0;
918 2051e653 2021-03-13 op tab->hist_cur = h;
919 bd3a3a95 2021-07-20 op do_load_url(tab, h->h, NULL);
920 2051e653 2021-03-13 op return 1;
921 a37d1a1c 2021-08-14 op }
922 a37d1a1c 2021-08-14 op
923 2051e653 2021-03-13 op void
924 740f578b 2021-03-15 op add_to_bookmarks(const char *str)
925 740f578b 2021-03-15 op {
926 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_BOOKMARK_PAGE, 0,
927 bc10f6a5 2021-07-12 op str, strlen(str)+1);
928 c7107cec 2021-04-01 op }
929 c6efff96 2021-08-16 op
930 c6efff96 2021-08-16 op /*
931 c6efff96 2021-08-16 op * Given a user-entered URL, apply some heuristics to use it:
932 c6efff96 2021-08-16 op *
933 c6efff96 2021-08-16 op * - if it's a proper url use it
934 c6efff96 2021-08-16 op * - if it starts with a `./' or a `/' assume its a file:// url
935 c6efff96 2021-08-16 op * - assume it's a gemini:// url
936 c6efff96 2021-08-16 op *
937 c6efff96 2021-08-16 op * `ret' (of which len is the size) will be filled with the resulting
938 c6efff96 2021-08-16 op * url.
939 c6efff96 2021-08-16 op */
940 c6efff96 2021-08-16 op void
941 c6efff96 2021-08-16 op humanify_url(const char *raw, char *ret, size_t len)
942 c6efff96 2021-08-16 op {
943 c6efff96 2021-08-16 op struct phos_uri uri;
944 c6efff96 2021-08-16 op char buf[PATH_MAX];
945 c7107cec 2021-04-01 op
946 c6efff96 2021-08-16 op if (phos_parse_absolute_uri(raw, &uri)) {
947 c6efff96 2021-08-16 op strlcpy(ret, raw, len);
948 c6efff96 2021-08-16 op return;
949 c6efff96 2021-08-16 op }
950 c6efff96 2021-08-16 op
951 c6efff96 2021-08-16 op if (has_prefix(raw, "./")) {
952 c6efff96 2021-08-16 op strlcpy(ret, "file://", len);
953 c6efff96 2021-08-16 op getcwd(buf, sizeof(buf));
954 c6efff96 2021-08-16 op strlcat(ret, buf, len);
955 c6efff96 2021-08-16 op strlcat(ret, "/", len);
956 c6efff96 2021-08-16 op strlcat(ret, raw+2, len);
957 c6efff96 2021-08-16 op return;
958 c6efff96 2021-08-16 op }
959 c6efff96 2021-08-16 op
960 c6efff96 2021-08-16 op if (*raw == '/') {
961 c6efff96 2021-08-16 op strlcpy(ret, "file://", len);
962 c6efff96 2021-08-16 op strlcat(ret, raw, len);
963 c6efff96 2021-08-16 op return;
964 c6efff96 2021-08-16 op }
965 c6efff96 2021-08-16 op
966 c6efff96 2021-08-16 op strlcpy(ret, "gemini://", len);
967 c6efff96 2021-08-16 op strlcat(ret, raw, len);
968 c6efff96 2021-08-16 op }
969 c6efff96 2021-08-16 op
970 6cc5fcfe 2021-07-08 op static pid_t
971 6cc5fcfe 2021-07-08 op start_child(enum telescope_process p, const char *argv0, int fd)
972 6cc5fcfe 2021-07-08 op {
973 6cc5fcfe 2021-07-08 op const char *argv[4];
974 6cc5fcfe 2021-07-08 op int argc = 0;
975 6cc5fcfe 2021-07-08 op pid_t pid;
976 6cc5fcfe 2021-07-08 op
977 6cc5fcfe 2021-07-08 op switch (pid = fork()) {
978 6cc5fcfe 2021-07-08 op case -1:
979 6cc5fcfe 2021-07-08 op die();
980 6cc5fcfe 2021-07-08 op case 0:
981 6cc5fcfe 2021-07-08 op break;
982 6cc5fcfe 2021-07-08 op default:
983 6cc5fcfe 2021-07-08 op close(fd);
984 6cc5fcfe 2021-07-08 op return pid;
985 6cc5fcfe 2021-07-08 op }
986 6cc5fcfe 2021-07-08 op
987 6cc5fcfe 2021-07-08 op if (dup2(fd, 3) == -1)
988 6cc5fcfe 2021-07-08 op err(1, "cannot setup imsg fd");
989 6cc5fcfe 2021-07-08 op
990 6cc5fcfe 2021-07-08 op argv[argc++] = argv0;
991 6cc5fcfe 2021-07-08 op switch (p) {
992 6cc5fcfe 2021-07-08 op case PROC_UI:
993 6cc5fcfe 2021-07-08 op errx(1, "Can't start ui process");
994 6cc5fcfe 2021-07-08 op case PROC_FS:
995 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tf";
996 6cc5fcfe 2021-07-08 op break;
997 6cc5fcfe 2021-07-08 op case PROC_NET:
998 6cc5fcfe 2021-07-08 op argv[argc++] = "-Tn";
999 6cc5fcfe 2021-07-08 op break;
1000 6cc5fcfe 2021-07-08 op }
1001 6cc5fcfe 2021-07-08 op
1002 6cc5fcfe 2021-07-08 op argv[argc++] = NULL;
1003 6cc5fcfe 2021-07-08 op execvp(argv0, (char *const *)argv);
1004 6cc5fcfe 2021-07-08 op err(1, "execvp(%s)", argv0);
1005 6cc5fcfe 2021-07-08 op }
1006 6cc5fcfe 2021-07-08 op
1007 1fce2e75 2021-08-14 op int
1008 bc10f6a5 2021-07-12 op ui_send_net(int type, uint32_t peerid, const void *data,
1009 bc10f6a5 2021-07-12 op uint16_t datalen)
1010 bc10f6a5 2021-07-12 op {
1011 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_net, type, peerid, 0, -1, data,
1012 bc10f6a5 2021-07-12 op datalen);
1013 bc10f6a5 2021-07-12 op }
1014 bc10f6a5 2021-07-12 op
1015 1fce2e75 2021-08-14 op int
1016 bc10f6a5 2021-07-12 op ui_send_fs(int type, uint32_t peerid, const void *data, uint16_t datalen)
1017 bc10f6a5 2021-07-12 op {
1018 bc10f6a5 2021-07-12 op return imsg_compose_event(iev_fs, type, peerid, 0, -1, data,
1019 bc10f6a5 2021-07-12 op datalen);
1020 bc10f6a5 2021-07-12 op }
1021 bc10f6a5 2021-07-12 op
1022 6cc5fcfe 2021-07-08 op static void __attribute__((noreturn))
1023 6cc5fcfe 2021-07-08 op usage(int r)
1024 d2544989 2021-07-08 op {
1025 dc761924 2021-07-15 op fprintf(stderr, "USAGE: %s [-hnv] [-c config] [url]\n",
1026 dc761924 2021-07-15 op getprogname());
1027 d2544989 2021-07-08 op fprintf(stderr, "version: " PACKAGE " " VERSION "\n");
1028 6cc5fcfe 2021-07-08 op exit(r);
1029 740f578b 2021-03-15 op }
1030 740f578b 2021-03-15 op
1031 5e11c00c 2021-03-02 op int
1032 6cd6a9e1 2021-03-20 op main(int argc, char * const *argv)
1033 5e11c00c 2021-03-02 op {
1034 bc10f6a5 2021-07-12 op struct imsgev net_ibuf, fs_ibuf;
1035 be97d6e6 2021-08-15 op pid_t pid;
1036 bc10f6a5 2021-07-12 op int pipe2net[2], pipe2fs[2];
1037 d2544989 2021-07-08 op int ch, configtest = 0, fail = 0;
1038 d2544989 2021-07-08 op int has_url = 0;
1039 6cc5fcfe 2021-07-08 op int proc = -1;
1040 d0fd368a 2021-07-15 op int sessionfd;
1041 be97d6e6 2021-08-15 op int status;
1042 c6efff96 2021-08-16 op char path[PATH_MAX], url[GEMINI_URL_LEN+1];
1043 6cc5fcfe 2021-07-08 op const char *argv0;
1044 5e11c00c 2021-03-02 op
1045 6cc5fcfe 2021-07-08 op argv0 = argv[0];
1046 6cc5fcfe 2021-07-08 op
1047 5e11c00c 2021-03-02 op signal(SIGCHLD, SIG_IGN);
1048 a0e91173 2021-06-13 op signal(SIGPIPE, SIG_IGN);
1049 5e11c00c 2021-03-02 op
1050 d2544989 2021-07-08 op if (getenv("NO_COLOR") != NULL)
1051 d2544989 2021-07-08 op enable_colors = 0;
1052 d2544989 2021-07-08 op
1053 d2544989 2021-07-08 op strlcpy(path, getenv("HOME"), sizeof(path));
1054 d2544989 2021-07-08 op strlcat(path, "/.telescope/config", sizeof(path));
1055 d2544989 2021-07-08 op
1056 dc761924 2021-07-15 op while ((ch = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
1057 d2544989 2021-07-08 op switch (ch) {
1058 1853ee50 2021-07-15 op case 'C':
1059 1853ee50 2021-07-15 op exit(ui_print_colors());
1060 d2544989 2021-07-08 op case 'c':
1061 d2544989 2021-07-08 op fail = 1;
1062 d2544989 2021-07-08 op strlcpy(path, optarg, sizeof(path));
1063 d2544989 2021-07-08 op break;
1064 d2544989 2021-07-08 op case 'n':
1065 d2544989 2021-07-08 op configtest = 1;
1066 d2544989 2021-07-08 op break;
1067 d2544989 2021-07-08 op case 'h':
1068 6cc5fcfe 2021-07-08 op usage(0);
1069 6cc5fcfe 2021-07-08 op case 'T':
1070 6cc5fcfe 2021-07-08 op switch (*optarg) {
1071 6cc5fcfe 2021-07-08 op case 'f':
1072 6cc5fcfe 2021-07-08 op proc = PROC_FS;
1073 6cc5fcfe 2021-07-08 op break;
1074 6cc5fcfe 2021-07-08 op case 'n':
1075 6cc5fcfe 2021-07-08 op proc = PROC_NET;
1076 6cc5fcfe 2021-07-08 op break;
1077 6cc5fcfe 2021-07-08 op default:
1078 6cc5fcfe 2021-07-08 op errx(1, "invalid process spec %c",
1079 6cc5fcfe 2021-07-08 op *optarg);
1080 6cc5fcfe 2021-07-08 op }
1081 6cc5fcfe 2021-07-08 op break;
1082 dc761924 2021-07-15 op case 'v':
1083 dc761924 2021-07-15 op printf("%s %s\n", PACKAGE_NAME, PACKAGE_VERSION);
1084 dc761924 2021-07-15 op exit(0);
1085 dc761924 2021-07-15 op break;
1086 d2544989 2021-07-08 op default:
1087 6cc5fcfe 2021-07-08 op usage(1);
1088 d2544989 2021-07-08 op }
1089 d2544989 2021-07-08 op }
1090 d2544989 2021-07-08 op
1091 d2544989 2021-07-08 op argc -= optind;
1092 d2544989 2021-07-08 op argv += optind;
1093 d2544989 2021-07-08 op
1094 6cc5fcfe 2021-07-08 op if (proc != -1) {
1095 6cc5fcfe 2021-07-08 op if (argc > 0)
1096 6cc5fcfe 2021-07-08 op usage(1);
1097 6cc5fcfe 2021-07-08 op else if (proc == PROC_FS)
1098 6cc5fcfe 2021-07-08 op return fs_main();
1099 6cc5fcfe 2021-07-08 op else if (proc == PROC_NET)
1100 f45bd2e3 2021-07-24 op return net_main();
1101 6cc5fcfe 2021-07-08 op else
1102 6cc5fcfe 2021-07-08 op usage(1);
1103 6cc5fcfe 2021-07-08 op }
1104 6cc5fcfe 2021-07-08 op
1105 d2544989 2021-07-08 op if (argc != 0) {
1106 d2544989 2021-07-08 op has_url = 1;
1107 c6efff96 2021-08-16 op humanify_url(argv[0], url, sizeof(url));
1108 d2544989 2021-07-08 op }
1109 d2544989 2021-07-08 op
1110 d5bdf203 2021-07-08 op /* setup keys before reading the config */
1111 d5bdf203 2021-07-08 op TAILQ_INIT(&global_map.m);
1112 d5bdf203 2021-07-08 op global_map.unhandled_input = global_key_unbound;
1113 d5bdf203 2021-07-08 op TAILQ_INIT(&minibuffer_map.m);
1114 d5bdf203 2021-07-08 op
1115 d2544989 2021-07-08 op config_init();
1116 d2544989 2021-07-08 op parseconfig(path, fail);
1117 69f32f56 2021-08-16 op if (configtest) {
1118 d2544989 2021-07-08 op puts("config OK");
1119 d2544989 2021-07-08 op exit(0);
1120 d2544989 2021-07-08 op }
1121 d2544989 2021-07-08 op
1122 d0fd368a 2021-07-15 op fs_init();
1123 d0fd368a 2021-07-15 op if ((sessionfd = lock_session()) == -1)
1124 d0fd368a 2021-07-15 op errx(1, "can't lock session, is another instance of "
1125 d0fd368a 2021-07-15 op "telescope already running?");
1126 d0fd368a 2021-07-15 op
1127 6cc5fcfe 2021-07-08 op /* Start children. */
1128 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2fs) == -1)
1129 5e11c00c 2021-03-02 op err(1, "socketpair");
1130 bc10f6a5 2021-07-12 op start_child(PROC_FS, argv0, pipe2fs[1]);
1131 bc10f6a5 2021-07-12 op imsg_init(&fs_ibuf.ibuf, pipe2fs[0]);
1132 bc10f6a5 2021-07-12 op iev_fs = &fs_ibuf;
1133 bc10f6a5 2021-07-12 op iev_fs->handler = handle_dispatch_imsg;
1134 5e11c00c 2021-03-02 op
1135 bc10f6a5 2021-07-12 op if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe2net) == -1)
1136 35e1f40a 2021-03-14 op err(1, "socketpair");
1137 bc10f6a5 2021-07-12 op start_child(PROC_NET, argv0, pipe2net[1]);
1138 bc10f6a5 2021-07-12 op imsg_init(&net_ibuf.ibuf, pipe2net[0]);
1139 bc10f6a5 2021-07-12 op iev_net = &net_ibuf;
1140 bc10f6a5 2021-07-12 op iev_net->handler = handle_dispatch_imsg;
1141 5e11c00c 2021-03-02 op
1142 37d429b0 2021-04-01 op setproctitle("ui");
1143 35e1f40a 2021-03-14 op
1144 6cc5fcfe 2021-07-08 op /* initialize tofu & load certificates */
1145 3768e50f 2021-04-25 op tofu_init(&certs, 5, offsetof(struct tofu_entry, domain));
1146 3a227e9a 2021-03-18 op load_certs(&certs);
1147 cbcc75fb 2021-03-17 op
1148 5e11c00c 2021-03-02 op event_init();
1149 5e11c00c 2021-03-02 op
1150 ecfbb1d4 2021-08-14 op /* Setup event handler for the autosave */
1151 1fce2e75 2021-08-14 op autosave_init();
1152 ecfbb1d4 2021-08-14 op
1153 bc10f6a5 2021-07-12 op /* Setup event handlers for pipes to fs/net */
1154 bc10f6a5 2021-07-12 op iev_fs->events = EV_READ;
1155 bc10f6a5 2021-07-12 op event_set(&iev_fs->ev, iev_fs->ibuf.fd, iev_fs->events,
1156 bc10f6a5 2021-07-12 op iev_fs->handler, iev_fs);
1157 bc10f6a5 2021-07-12 op event_add(&iev_fs->ev, NULL);
1158 5e11c00c 2021-03-02 op
1159 bc10f6a5 2021-07-12 op iev_net->events = EV_READ;
1160 bc10f6a5 2021-07-12 op event_set(&iev_net->ev, iev_net->ibuf.fd, iev_net->events,
1161 bc10f6a5 2021-07-12 op iev_net->handler, iev_net);
1162 bc10f6a5 2021-07-12 op event_add(&iev_net->ev, NULL);
1163 35e1f40a 2021-03-14 op
1164 d2544989 2021-07-08 op if (ui_init()) {
1165 87e3e801 2021-07-17 op load_last_session();
1166 d2544989 2021-07-08 op if (has_url || TAILQ_EMPTY(&tabshead))
1167 55eb4d95 2021-08-12 op new_tab(url, NULL, NULL);
1168 d2544989 2021-07-08 op
1169 941b3761 2021-03-18 op sandbox_ui_process();
1170 a37d1a1c 2021-08-14 op operating = 1;
1171 2ddbda6b 2021-07-17 op ui_main_loop();
1172 941b3761 2021-03-18 op ui_end();
1173 941b3761 2021-03-18 op }
1174 5e11c00c 2021-03-02 op
1175 bc10f6a5 2021-07-12 op ui_send_fs(IMSG_QUIT, 0, NULL, 0);
1176 bc10f6a5 2021-07-12 op ui_send_net(IMSG_QUIT, 0, NULL, 0);
1177 3e5fd7be 2021-07-13 op imsg_flush(&iev_fs->ibuf);
1178 a9925134 2021-07-15 op imsg_flush(&iev_net->ibuf);
1179 be97d6e6 2021-08-15 op
1180 be97d6e6 2021-08-15 op /* wait for children to terminate */
1181 be97d6e6 2021-08-15 op do {
1182 be97d6e6 2021-08-15 op pid = wait(&status);
1183 be97d6e6 2021-08-15 op if (pid == -1) {
1184 be97d6e6 2021-08-15 op if (errno != EINTR && errno != ECHILD)
1185 be97d6e6 2021-08-15 op err(1, "wait");
1186 be97d6e6 2021-08-15 op } else if (WIFSIGNALED(status))
1187 be97d6e6 2021-08-15 op warnx("child terminated; signal %d", WTERMSIG(status));
1188 be97d6e6 2021-08-15 op } while (pid != -1 || (pid == -1 && errno == EINTR));
1189 5e11c00c 2021-03-02 op
1190 d0fd368a 2021-07-15 op close(sessionfd);
1191 d0fd368a 2021-07-15 op
1192 5e11c00c 2021-03-02 op return 0;
1193 5e11c00c 2021-03-02 op }